/*applepaper_cmd.h*/
#ifndef _APPLEPAPER_CMD_H
#define _APPLEPAPER_CMD_H

/* for ioctl */
#define APPLEPAPER_MAGIC 0xB7 //定义幻数
#define APPLEPAPER_MAX_NR 1 //定义命令的最大序数，只有一个命令当然是1
#define APPLEPAPER_CLEAR _IO(APPLEPAPER_MAGIC, 0)

/* for llseek */
#define APPLEPAPER_BEGIN_POS  0
#define APPLEPAPER_CUR_POS  1

#endif